5137637789 has 4 divisors (see below), whose sum is σ = 5147499420. Its totient is φ = 5127776160.

The previous prime is 5137637777. The next prime is 5137637809. The reversal of 5137637789 is 9877367315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2564612164 + 2573025625 = 50642^2 + 50725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5137637789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137637749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4930034 + ... + 4931075.

It is an arithmetic number, because the mean of its divisors is an integer number (1286874855).

Almost surely, 2^5137637789 is an apocalyptic number.

It is an amenable number.

5137637789 is a deficient number, since it is larger than the sum of its proper divisors (9861631).

5137637789 is an equidigital number, since it uses as much as digits as its factorization.

5137637789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9861630.

The product of its digits is 6667920, while the sum is 56.

The square root of 5137637789 is about 71677.3171163653. The cubic root of 5137637789 is about 1725.5246225075.

The spelling of 5137637789 in words is "five billion, one hundred thirty-seven million, six hundred thirty-seven thousand, seven hundred eighty-nine".